Abstract: A reload assembly includes a shell housing, a knife carrier, a lockout component, and a hook component. The lockout component is supported on an inner wall of the knife carrier and has a body formed of a resilient material that defines a window. The hook component is supported on the inner housing portion of the shell housing and includes a body having a hook that is received within the window of the lockout component when the knife carrier is in its retracted position after the reload assembly has been fired to obstruct readvancement of the knife carrier.

Abstract: A collar for a surgical access device includes an annular body laterally attachable to a cannula of the surgical access device. A spring is coupled to the annular body and movable between an uncompressed state and a compressed state. The spring is configured to manipulate the annular body between a first condition and a second condition to selectively fix the annular body at predetermined locations along the cannula or to laterally remove the annular body from the cannula while the cannula is supported within a patient's body.

Abstract: A surgical device including a handle assembly, an elongated portion, and outer band assembly, and inner band assembly, a trocar assembly, and a seal assembly is disclosed. At least a portion of the outer band assembly is disposed radially within the outer sleeve. At least a portion of the trocar assembly is disposed radially within the inner band assembly. The seal assembly includes a first annular seal and a second annular seal. The first annular seal is disposed radially inward of the outer sleeve and radially outward of the outer band assembly. The second annular seal is disposed radially inward of the outer band assembly and radially outward of the inner band assembly.

Abstract: An end effector for use with a circular stapling instrument incorporates an anvil assembly having features which enhance the coring or cutting of organ tissue internal of the annular array of staples thereby creating a tubular passage free of tissue obstructions.

Abstract: An anvil assembly includes an anvil head pivotally secured to a center rod assembly and a self-retaining backup member disposed with the anvil head assembly. The backup member is moveable between a retracted position in which the anvil head assembly is retained in an operative position and an advanced position in which the anvil head assembly is moveable to a tilted position. The backup member includes a pair of opposed snap tabs for retaining the backup member in its advanced position, a plurality of fingers for engaging a frangible ring of a retaining member, and retaining features for securing a cut ring assembly to the backup member.

Abstract: Inserts and features to reduce or prevent spline crash in surgical staplers and/or to minimize damage resulting from spline crash in surgical staplers. An insert for a surgical stapler includes a body and spline covers. The body is configured to fit within a bore of a shell assembly and the spline covers extend inward from the body. Each of the spline covers are sized and dimensioned to cap a distal portion of splines of the shell assembly. A shell assembly for a surgical stapler includes shell splines that are disposed on an inner wall of an inner housing portion that defines a bore. The shell splines include a lead spline that has a leading end positioned distal of a leading end of each of the other shell splines.

Abstract: The present disclosure relates to adapter assemblies for use with and to electrically and mechanically interconnect electromechanical surgical devices and surgical reloads, and to surgical systems including handheld electromechanical surgical devices and adapter assemblies for connecting surgical reloads to the handheld electromechanical surgical devices.

Abstract: A reload assembly includes a shell housing, a knife carrier, a lockout component, and a hook component. The lockout component is supported on an inner wall of the knife carrier and has a body formed of a resilient material that defines a window. The hook component is supported on the inner housing portion of the shell housing and includes a body having a hook that is received within the window of the lockout component when the knife carrier is in its retracted position after the reload assembly has been fired to obstruct readvancement of the knife carrier.

Abstract: A handheld electromechanical surgical device includes a handle assembly, an adapter assembly, a reload, and an electrical assembly. The handle assembly includes a connecting portion having an electrical connector supported therein. The adapter assembly includes an adapter housing selectively connectable to the connecting portion of the handle assembly and an outer tube extending distally from the adapter housing. The reload includes a housing selectively connectable to the outer tube of the adapter assembly and a circuit board assembly disposed within the reload housing. The electrical assembly includes a flex cable having an elongate body positionable against an outer surface of the adapter assembly. A proximal end of the flex cable is positionable within a cavity defined in the adapter housing and configured to electrically connect with the electrical connector of the handle assembly. A distal end of the flex cable is coupled to the circuit board assembly of the reload.

Abstract: A reload assembly includes a shell housing, a knife carrier, and at least one engagement member. The shell housing includes an inner housing portion and an outer housing portion that is spaced from the outer housing portion to define an annular cavity. The knife carrier defines a longitudinal axis and supports a knife. The knife carrier also defines a stepped central bore having a distal portion and a proximal portion and has a shoulder positioned between the distal and proximal portions. The at least one engagement member is supported on the knife carrier and is positioned to engage the inner housing portion of the shell housing when the knife carrier is in its retracted position to retain the knife carrier in the retracted position.

Abstract: A delivery system for trans-oral insertion of an anvil assembly is provided. The anvil delivery system includes a flexible tube configured for trans-oral insertion into a patient, and a light assembly disposed within the flexible tube configured to emit a light.

Abstract: A trocar assembly for releasable engagement with an adapter assembly of a surgical stapling instrument includes a housing having a first end cap and a second end cap, a trocar member rotatably supported with the housing and movable between a retracted position and an advanced position, and a drive member rotatably supported within the housing. The trocar member includes a threaded body and defines a longitudinal channel. The drive member includes a drive portion received within the longitudinal channel of the trocar member. Rotation of the drive member causes longitudinal movement of the trocar member.

Abstract: A reload assembly a shell housing, a staple cartridge, a pusher assembly, a knife carrier, an annular knife, and a spring clip. The shell housing includes an inner housing portion that defines a central bore. The knife carrier includes a body defining a longitudinal axis and a cutout and is movable within the shell housing between advanced and retracted positions. The spring clip is supported on the inner housing portion of the shell housing and has a locking tang and an engagement portion. The spring clip is movable from a first position in which the locking tang is received within the cutout of the knife carrier to obstruct advancement of the knife carrier to a second position in which the locking tang is removed from the cutout of the knife carrier.

Abstract: Surgical devices having a valve to facilitate thoroughly cleaning and drying the surgical devices, tools for opening the valve, and methods of using or operating the same are disclosed.

Abstract: A surgical device includes an outer sleeve, and a luer. The outer sleeve includes an inner wall, a port and a housing. The port extends through the inner wall of the outer sleeve, and the housing is disposed within the port. The luer is configured for selective engagement with the housing, and includes an input portion and an exit port. The input portion is disposed radially outward of the outer sleeve when the luer is engaged with the housing. The input portion is configured for engagement with a source of fluid. The exit port is disposed radially inward of the inner wall of the outer sleeve when the luer is engaged with the housing.

Abstract: A loading unit includes a shell assembly, a lock collar, and a release collar. The shell assembly has a coupling ring that defines a lock slot and a proximal opening configured to receive a distal end portion of a surgical instrument. The lock collar is disposed about the coupling ring and has a radially extending lock that is configured to be received within the lock slot. The lock collar is transitionable between a locked configuration in which the lock is positioned within the lock slot and an unlocked configuration in which the lock is lifted from within the lock slot. The release collar is disposed about the coupling ring proximal of the lock collar and is transitionable between an unactuated position and an actuated position. The release collar transitioning the lock collar to the unlocked configuration as the release collar is translated from the unactutated position towards the actuated position.

Abstract: Adapter assemblies for connecting loading units to handle assemblies include a trocar assembly releasably securable within an elongate body by a retaining mechanism. The retaining mechanism includes first and second retention members pivotable between a locked position in which the first and second retention members are positioned to be received within respective first and second openings in a trocar housing of the trocar assembly when the trocar assembly is received within a distal portion of the elongate body, and a release position in which the first and second retention members are positioned to be spaced from the respective first and second openings in the trocar housing when the trocar assembly is received within the distal portion of the elongate body, wherein engagement of the first and second retention members with the seal member when in the locked position frictionally retains the first and second retention members in the locked position.

Abstract: Adapter assemblies include a trocar assembly releasably securable within an elongate body by a retaining mechanism. The retaining mechanism includes a housing, and first and second flexible arms extending from the housing. The first and second flexible arms each include a free end, and a locking portion disposed on the free end. The locking portions of the first and second flexible arms are positioned to be received within first and second cutouts of a trocar housing of the trocar assembly when the trocar assembly is received within the distal portion of the elongate body and in a first rotational orientation relative to the longitudinal axis, and the locking portions of the first and second flexible arms are flexed radially outward from the respective first and second cutouts when the trocar assembly is in a second rotational orientation relative to the longitudinal axis.

Abstract: An adapter assembly includes a sleeve, a trocar assembly releasably securable within the sleeve, and a retaining mechanism configured to releasably secure the trocar assembly within the sleeve. The retaining mechanism includes a retaining block, a cam wire moveably positioned relative to the retaining block between a lock position and a release position, a retaining block extension for maintaining the cam wire relative to the retaining block, a button member in operable engagement with the cam wire, and a pair of retaining members. The button member includes a center beam moveable from an unflexed position in engagement with a stop tab of the retaining block extension to prevent movement of the button member to a flexed position out of alignment with the stop tab to permit movement of the button member.

Abstract: An anvil assembly is provided. The anvil assembly includes center rod assembly, a head assembly pivotal relative to the center rod assembly between an operative position and a tilted position, and a mechanism for selectively maintaining the head assembly in the operative position.